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      1 // Base to std::allocator -*- C++ -*-
      2 
      3 // Copyright (C) 2004-2013 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the
      7 // terms of the GNU General Public License as published by the
      8 // Free Software Foundation; either version 3, or (at your option)
      9 // any later version.
     10 
     11 // This library is distributed in the hope that it will be useful,
     12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 // GNU General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 /** @file bits/c++allocator.h
     26  *  This is an internal header file, included by other library headers.
     27  *  Do not attempt to use it directly. @headername{memory}
     28  */
     29 
     30 #ifndef _GLIBCXX_CXX_ALLOCATOR_H
     31 #define _GLIBCXX_CXX_ALLOCATOR_H 1
     32 
     33 #include <ext/new_allocator.h>
     34 
     35 #if __cplusplus >= 201103L
     36 namespace std
     37 {
     38   /**
     39    *  @brief  An alias to the base class for std::allocator.
     40    *  @ingroup allocators
     41    *
     42    *  Used to set the std::allocator base class to
     43    *  __gnu_cxx::new_allocator.
     44    *
     45    *  @tparam  _Tp  Type of allocated object.
     46     */
     47   template<typename _Tp>
     48     using __allocator_base = __gnu_cxx::new_allocator<_Tp>;
     49 }
     50 #else
     51 // Define new_allocator as the base class to std::allocator.
     52 # define __allocator_base  __gnu_cxx::new_allocator
     53 #endif
     54 
     55 #endif
     56